1. math

    the additional month of interest (note that the problem specifies 2% simple interest per month)? As a professional photographer, Marion has seen the trend away from film cameras as customers purchase low-end digital cameras and printers in order to avoid
  2. Physics

    An airplane pilot fell 355 m after jumping without his parachute opening. He landed in a snowbank, creating a crater 1.4 m deep, but survived with only minor injuries. Assume that the pilot's mass was 81 kg and his terminal velocity was 50 m/s. (a)
  3. Math 7 A

    Note: For questions 5 and 6, remember to show all of the steps that you use to solve the problem. Be sure to use the text box where the question mark (?) first appears to show your mathematical work. You can use the comments field to explain your work.
  4. Informal logic

    what type of fallacy would this be i went to work at an all male prison was the first of three female to ever work directly with the offenders the male officer stopped me from doing strip searches shoved me and told me to stand by the wall with my back
  5. physics

    A man drags a sack of flour of mass 50 kg at constant speed up an inclined plan to a height of 5m. The plane makes an angle of 30„awith the horizontal and a constant frictional force of 200 N acts on the sack down the plane. 1- How much work does the man
  6. Physics

    A cable lifts a 1370 kg elevator at a constant velocity for a distance of 42 m. What is the work done by each of the following? (a) the tension in the cable (J) (b) the elevator's weight (J) work by tension in cable if the car is not accelerating=mgh
  7. Social studies

    Why did the ancient puebloans most likely use materials other than wood to build their homes? A. Few trees grew in the dry climate in which they lived B. Wood was considered too sacred to use for building C.They were nomads and needed to move their homes
  8. Physics 20

    dynamics A curling stone has a mass of 20kg. a curler pushed the stone across the ice to launch it down the rink. a)if the curler starts to move the stone by pushing it with 15N, what is the stones initial acceleration? b)once moving, how much force is
  9. physics

    Pam has a mass of 33.0 kg and she is at rest on smooth, level, frictionless ice. Pam straps on a rocket pack. The rocket supplies a constant force for 15.0 m and Pam acquires a speed of 60.0 m/s. (a) What is the magnitude of the force? 1 N (b) What is
  10. Physics 20

    dynamics A curling stone has a mass of 20kg. a curler pushed the stone across the ice to launch it down the rink. a)if the curler starts to move the stone by pushing it with 15N, what is the stones initial acceleration? b)once moving, how much force is
  11. Calculus

    How do I find local minimums based on f'(x) with line segments? I have a picture of a graph with a the points (-4,0), (-3,2.5), (0,0), (2,2), and (5,0). Here is the question: The graph of f ' (x), the derivative of f(x), is continuous for all x and
  12. Algebra I

    A local gym charges nonmembers $8 per day to use the voleyball courts. Members pay a yearly fee of $150 and $2 per day to use the voleyball courts. Write and solve an equation to find how many days you must use the voleyball court to justify becoming a
  13. history

    Which statement explains why Britain became a part of the Roman Empire much later than nearby Gaul? A. Mountains near the coast of Gaul were an obstacle. B. Rome was not interested in local resources from Britain. C. Fierce tribes in Britain held of Roman
  14. english

    I need help with how to start a realistic plan which solves the uneven productivity between Jack and Ruth.Here's what it's about. Ten yearago, you started working as a clerk fo DMD Medical Supplies. Six months ago, Liz Jakowski, the human resources
  15. Physics

    An 80 kg hunter gets a rope around a 400 kg polar bear. They are stationary and on frictionless level ice, initially 60 m apart. When the hunter pulls the polar bear to him, the polar bear will move: 1. 10 m 2. 30 m
  16. Physics

    An 80 kg hunter gets a rope around a 400 kg polar bear. They are stationary and on frictionless level ice, initially 60 m apart. When the hunter pulls the polar bear to him, the polar bear will move: 1. 10 m 2. 30 m
  17. Physics help please

    A 13.2 gm bullet is fired into a 12.0 kg wood block that is at rest on a wood table. The block, with the embedded bullet, slides 5.00 cm across the table. Assuming that the local acceleration due to gravity is 9.80m/s2 and that the coefficient of kinetic
  18. Algebra

    Rose was buying fruit at the local market to make a fruit cake for Christmas. The recipe calls for plums, apples, and oranges. She needed 3 more oranges than plums and three times as many apples than plums. If she bought 28 pieces of fruit, how many
  19. art 101

    According to the author, a. the interpretation of a work of art is objective. b. a work of art may fall into more than one theme. c. it doesn’t make sense to compare art from different cultures. d. all of these are the case: the interpretation of art is
  20. art

    According to the author, A) the interpretation of a work of art is objective. B) a work of art may fall into more than one theme. C) it doesn’t make sense to compare art from different cultures. D) all of these are the case: the interpretation of art is
  21. Algebra1!!!

    1.Six pears and three apples cost $3.90. Two pears and five apples cost $3.30. How much does one pear cost? Hint: You have two unknowns (variables), so you need two equations. Write one equation for each situation and solve the system of equations. 6P +
  22. math

    Mr waheed is paid Rs.4420 for a total normal working hours of 170 hours in a month. He is paid twice the rate per hour for overtime work. Mr waheed received Rs.6500 as salary last month. how many hours of overtime did he work?
  23. MATH

    You earn $10.00/hour and work 40 hours/week. You invest $4,000.00 at an interest rate of 5% APR for a year. How much interest did that savings earn in a year in terms of hours of work? 100 hours 20 hours 40 hours 400 hours Explain?
  24. Spanish

    Sra. will you please check my answers? Thank you so much! 1. Rewrite the following text in the imperfect indicative. Una vez al mes, mi hermana Sonia y sus amigos van al teatro. Son cinco compañeras de colegio que se llevan muy bien. María va todos los
  25. English Improving writing

    Please take a look at this for me I must 8-15 sentences per each paragraph any ideas how I can do that thanks for the help Rough Draft There are on-going problems that need to be addressed at the DMD Company. First there is uneven allocation of tasks.
  26. Re: Physics/Math

    A can of sardines is made to move along an x axis from x1 = 0.2 m to x2 = 1.2 m by a force given by F = iF0exp(-0.4x), with x in meters and F0 = 4.5 N. (Here exp is the exponential function.) How much work is done on the can by the force? For Further
  27. physics helppp!

    The coeffcient of friction between the 7.9 kg mass and the table is 0.55, and the coeffcient of friction between the 5 kg mass and the table is 0.38. Consider the motion of the 37 kg mass which descends by the amount of y = 0.45m after releasing the system
  28. Physics

    A tennis player hits a 58.0 g tennis ball so that it goes straight up and reaches a maximum height of 7.02 m . Part A How much work does gravity do on the ball on the way up? Part B How much work does gravity do on the ball on the way down?
  29. mathematics-Rate

    4 men and 10 women can cut a field in 5hrs. If the men work at 5/4 the rate at which the women work. How many men will be needed to cut the field in 3hrs. #Please i need the detail explanation #thanks
  30. Math

    I just wanted to double check that I am correct. Answer is in Interval Notation. 1. Solve: |x|x_ 7 Work: -7_ 7 Answer: ( - infinity sign, -7] U [7, infinity sign)
  31. math

    local students were surveyed about adding stoplights at the corner of Main Street and Perry Avenue. Determine whether each survey question may be biased. Explain A) are stoplights needed at the intersection of Main and Perry? B) should stoplights be
  32. Econ-expected utility & insurance

    John is a professional football player and next year will be able to sign a $25 million contract if he does not get injured this year. If he gets injured this year, his value will be significantly reduced and he will only be able to sign a contract for $5
  33. Physics

    A person makes a quantity of iced tea by mixing 500g of hot tea(c=4190J/(Kg.k) with an equal mass of ice(T=0c, L=333KJ/Kg). assume that mixture has negligible energy exchange with environment. If tea's initial temperature is 90c, then what is the
  34. chemistry-calorimetric

    Develop a detailed calorimetric method for determining the temperature of the warm water sample. Materials: Hot water sample of unknown temperature, Styrofoam cups with cardboard lid and stirrer, Thermometer, Pipets and burets, balance, ice, cold water,
  35. Math-please help!!

    Half the students in Max's class volunteer at the local community center. 15 students do not volunteer.if there are 12 boys in Max's class , how many girls are in Max's class? I am having a brain freeze!
  36. Math/Physics

    crain carries concrete = 610kg distance carried vertically = 91m time carried = 90 seconds What is the kilo watt? I'm not sure which formulas to use... anyone know the answers? Power = (Work done)/(time required) The work done is M g H = 610x9.8x91 =
  37. math

    Vanessa typically works 8 hours per day in a normal 5 day work week. Last week however vanessa had to take 90 minutss off on tuesday 45 minutes off on Thursday and she left rwo and a half hours early on friday how many hours did vanessa work last week
  38. Math

    Hi! So this question kind of has two parts to it. If someone could help me with this, that would be great! Thanks! :) Juan lives in a large city and commutes to work daily by subway or taxi. He takes the subway 80% of the time because it costs less and he
  39. history

    In what ways did New Imperialism negatively impact colonial holdings? (Select all that apply.) Imperial powers often suppressed local religious beliefs and practices in favor of Christian faiths. The removal of resources and construction of railroads often
  40. english

    What does relocalization within this text? what does relocalization mean within this text "A sane urbanism has to mean an intense commitment to RELOCOLIZATION, specifically to local economies. It means not spending $8 billion dollars to expand highway
  41. Psych

    Kenvin and Cheryl had completed their first day of naturalistic observation of adolescents at the local high school. As they dicssed their experiences during the day, they found that they were both concerned about the difference their presence in the
  42. Science

    Consider which is not an example of how an object gains elastic potential energy by stretching is a trampoline part In what form are all potential energy the same What is making an ice block to melt Describe three forms of energy Imagine that you push on a
  43. physics

    A 59.1 kg ice skater, moving at 13.3 m/s, crashes into a stationary skater of equal mass. After the collision, the two skaters move as a unit at 6.65 m/s. Suppose the average force a skater experience without breaking a bone is 4656 N. If the impact time
  44. physics(heat)

    a mixture of 250g of water and 200g of ice at 0deg C is kept in a calorimeter which has a water equivalent of 50g. if 200g of steam at 100deg C is passed through this mixture, calculate the final temperature and the mass of contents of the calorimeter. ans
  45. physics

    A 59.1 kg ice skater, moving at 13.3 m/s, crashes into a stationary skater of equal mass. After the collision, the two skaters move as a unit at 6.65 m/s. Suppose the average force a skater experience without breaking a bone is 4656 N. If the impact time
  46. physics

    another question: the 20 kg block is at the top of a 10 m long inclined plane. The block starts from rest and slides without friction down the length of the incline. The block is 5 m high. 1) Determine the gravitational potential energy of the block at the
  47. algerbra

    could you please double check my work question:find the roots of the equation 2x^2+8x=12 by completing the square. leave answer in simplest radical form. work and answer: c=(b/2)^2 c(4/2)^2=4 2x^2 +8x=12 divide everything by 2 x^2 + 4x=6 x^2+4x+4=10
  48. math

    Using these integers:-1,+6,-8,+3,-2 a) Which integers have the greatest product? Show your work. b) Which two integers have the least product? Show your work. Please help I don't understand how to figure this out thank you
  49. Hypergeometirc Distribution

    From a lot of 12 flares, 4 are selected at random. If the lot contains 4 defective flares *flares that will not fire), what is the probability that all 4 will not work? What is the probability that at most 2 will not work?
  50. Physics

    A cyclist intends to cycle up a 7.5 degree hill whose vertical height is 170 m. Assuming the mass of bicycle plus cyclist is 95 kg, calculate how much work must be done against gravity. If each complete revolution of the pedals moves the bike 5.6 m along
  51. math

    A single card is selected from an ordinary deck of cards. The sample space is shown in the following figure. Find the following probabilities. (Enter the answers either as fractions or as decimals rounded to three places.) P(five of clubs) = 1 P(five) = 2
  52. Chemistry

    I am thrown off by this question because they don't give a molecule to work with. Also i don't know how i would work the acid... help! A 195 mL solution of a dilute acid is added to 102 mL of a base solution in a coffee-cup calorimeter. The temperature of
  53. Science

    In order to sail through the frozen Artic Ocean, the most powerful icebreaker ever built was constructed in the former Soviet Union. At the heart of the ship's power plant is a nuclear reactor with a power output of 5.60X10^7 W (5.60 times ten to the power
  54. english

    I just need something to get me started. Do you know of a Cultural Symbol or a Cultural Tradition I can write about. I've been trying to do this project for weeks and I do not know what to do. I know it's easy, but I can't find what it;s asking. please
  55. accounting help please?!

    Nancy Sly wishes to sell her business and receives the following three offers:? 1. $568,000 cash immediately. 2. $200,000 cash now plus an annual installment of $60,000 at the end of each year for 10 years, a total of $800,000. 3. An offer to manage the
  56. accounting help please?!

    Nancy Sly wishes to sell her business and receives the following three offers:? 1. $568,000 cash immediately. 2. $200,000 cash now plus an annual installment of $60,000 at the end of each year for 10 years, a total of $800,000. 3. An offer to manage the
  57. Discrete Math Help

    1) How would I prove that (n - 1 + 2 C 2) = n + (n C 2) 2) A cafeteria offers 17 types of pizza and 5 types of soda. Bob goes there everyday for lunch, always buying two slices of pizza and one soda. However, he never gets exactly the same thing on two
  58. Algebra 1

    A store offers a 15% discount on all items in the store during a sale. All store employees get an additional 10% employee discount. In the equation below, C represents the cost of an item for an employee including tax, and x represents the original price
  59. math

    A store offers a 15% discount on all items in the store during a sale. All store employees get an additional 10% employee discount. In the equation below, C represents the cost of an item for an employee including tax, and x represents the original price
  60. math

    A store offers a 15% discount on all items in the store during a sale. All store employees get an additional 10% employee discount. In the equation below, C represents the cost of an item for an employee including tax, and x represents the original price
  61. PHYSICSS

    Question In an experiment a gas was found to obey the following equation of state: (P + 10^3)V = 2.5 x 10^4 J Find the work done when the gas expands from 1 m3 to 3 m3. _______ the answer is suppose to be 2.55 x 104J ____________ what i did so far 2 ways i
  62. Science

    you draw a 100kg sack of maize meal across the floor of a warehouse for the distance of 10m. You apply a force of 300N, directed at an angle of 30 degree to the floor. a) If the floor is frictionless, how much work do you do on the bag? b) If the
  63. Physics...

    Question In an experiment a gas was found to obey the following equation of state: (P + 10^3)V = 2.5 x 10^4 J Find the work done when the gas expands from 1 m3 to 3 m3. _______ the answer is suppose to be 2.55 x 104J ____________ what i did so far 2 ways i
  64. Physics

    A child on a sled is sliding at a speed of 4m/s across level ice. if the total mass of the sled + child is 50kg and the sled has steel runners, how long will it take the sled to come to a halt? what force will be required to start it moving again? If this
  65. GRADE 12 APPLIED MATH

    The Problem: Create a quadratic function to model the height of an object thrown into the air with the following conditions The maximum height is between 90 and 100 m The object is starts on the ground The object takes at least 10 s before returning to the
  66. Math

    A restaurant uses 80 pounds of potatoes per week. The restaurant owner buys the potatoes in 10-pound bags from a local farmer. How many bags will the owner need to buy this week?
  67. physics

    A 0.110-kg hockey puck, moving at 35.0 m/s, strikes a 0.290-kg jacket that is thrown onto the ice by a fan of a certain hockey team. The puck and jacket slide off together. Find their velocity. (Take the positive direction to be that of the initial
  68. PHYSICS

    A 2.5 g ice flake is released from the edge of a hemispherical bowl whose radius r is 40.0 cm. The flake-bowl contact is frictionless. (a) What is the speed of the flake when it reaches the bottom of the bowl? (b) If a second flake with twice the mass was
  69. Chemistry Help Please!

    1) You have a protein at 20 ug/ml. Its MW =10,000. What is the concentration in molarity? Show work please! 2) You are asked to make 30 mL of a solution at 0.03M using the 0.10M stock solution. How many mililliliters of water do you use to make this
  70. physics

    How much ice at zero degrees celsius is needed to cool 250g of water at 25 degrees celsius to zero degrees celsius.
  71. precalc

    Suppose that cos θ = 12/13 and that θ is a Quadrant IV angle. (a) Find the exact value of sin θ. Show work. (b) Find the exact value of sin 2θ. Show work.
  72. Calculus

    Suppose that sin q = − 12/13 and that q is a Quadrant IV angle. (a) Find the exact value of cos q. Show work. (b) Find the exact value of sin 2q. Show work.
  73. physics

    A block is pushed 2 m along a fixed horizontal surface by a horizontal force of 10 N. The opposing force of friction is 0.4 N (a)How much work is done by the 10 N force? (b)what is the work done by the friction force
  74. Algebra

    - ok... we keep getting this one wrong: Solve the following equation for x. Write your answer as a fraction in simplest form. -6(x-5)=-2x-8-6(3x-5) What is it you don't understand about this? Clear the parentheses, combine terms, solve for x. Ive been
  75. Physics

    In the winter sport of curling, players give a 20 kg stone a push across a sheet of ice. A curler accelerates a stone to a speed of 3.0 m/s over a time of 2 s. a)How much force does the curler exert on the stone? b)What average power does the curler use to
  76. Chem-BufferQ

    You have a solution of .5 L of 1.74g of NH3 and 4.15g of (NH4)2SO4. How many ml of 14M HCl is required for a pH of 9.00? I don't know how to go finish this one. I thought about figuring the concentrations of each (NH3, NH4), making an ice table and solving
  77. math

    A small grocery store offers two different brands of milk. Brand A 2% milk costs $3.50 a gallon. Brand B whole organic milk costs $3.00 for a half-gallon plus a one-time deposit of $1.50 for the glass jug. Once the glass jug deposit has been paid, the jug
  78. Accounting

    Andrea Portowski has worked for Dr.Lee Hum for several years. Andrea demonstrates a loyalty that is rare among employees. She hasn't taken a vacation in the last four years. One of Andrea's primary duties at the medical office is to open the mail and list
  79. physics

    Two springs X and Y have spring constants k and 2k respectively.Spring X is stretched by a force F and spring Y is stretched by a force 2F. Each spring obeysHooke’s law during the extension.The work done in stretching spring X is WX and the work done in
  80. math

    Allison and Fred both work at the mall., but Allsion make $2 more than Fred. They work equal hours. Let x represent Allison earnings and y to represent Fred earnngs. Draw a graph representing the relationship between Allison and Fred earnings.
  81. physics

    A 4.36 × 10−5 kg raindrop falls vertically at constant speed under the influence of gravity and air resistance. After the drop has fallen 88.1 m, what is the work done by gravity? The acceleration of gravity is 9.8 m/s2 . Answer in units of J What is
  82. Physics

    62kg person in an elevator is moving up at a constant speed of 4.0m/s for 5.0s a) calculate the work done by the normal force on the person. b) calculate the work done by the force of gravity on the person . c) How would your answer change if the elevator
  83. pre-algebra

    Nicholas is making cranberry relish for Thanksgiving. The recipe requires five pints of cranberries. Nicolas only has four cups of cranberries. How many more cranberries will Nicholas need to make cranberry relish? Show all your work. Please help don't get
  84. Math

    In my textbook, I was given these directions to follow when doing these problems: **Multiply. Express each result in Scientific Notation** 1. (4 x 10^9)(6 x 10^6) My work: (400,000,000)(600,000)= 240,000,000,000,000 My answer: 2.4 x 10^14 Am I right? 2. (5
  85. Spanish

    I am having troubles translating these sentences. 1.) Were the princesses singing? 2.) Did the queen used to cry? 3.) Do they like to sing? 4.) Doesn't the duchess like to sing? 5.) Which duke likes to sing? Thank you for using the Jiskha Homework Help
  86. physics

    The (non-conservative) force propelling a 1.90 x 103-kg car up a mountain road does 6.70 x 106 J of work on the car. The car starts from rest at sea level and has a speed of 20.0 m/s at an altitude of 1.80 x 102 m above sea level. Obtain the work done on
  87. English

    i am trying to write a paper on Frankenstein. the question is "Is Frankenstein a work of science fiction?"....i have to write a persuasive essay...i believe that it is a work of science fiction...but as ussuall i need sources and proves from the book to
  88. physics

    The (non-conservative) force propelling a 1.40 x 103-kg car up a mountain road does 7.60 x 106 J of work on the car. The car starts from rest at sea level and has a speed of 22.0 m/s at an altitude of 2.50 x 102 m above sea level. Obtain the work done on
  89. physics

    The (nonconservative) force propelling a 1.50 103-kg car up a mountain road does 5.10 106 J of work on the car. The car starts from rest at sea level and has a speed of 31.5 m/s at an altitude of 1.90 102 m above sea level. Obtain the work done on the car
  90. physics

    Determine whether each statement below is true or false. The force necessary to lift an object is its mass times g. Kinetic energy is the energy of motion. Stopping distance is doubled, if speed is doubled. Work is the product of force and time. A joule is
  91. Ethics in Technology

    Which of these statements about the National Crime Information Center (NCIC) is true? A. The NCIC databases contain about 40 million records. B. Improper use of the NCIC has led to about 1 million false arrests. C. Local law enforcement agencies enter most
  92. earth science

    of the three "local wind"(land and sea breezes, mountain and valley breezes, and chinook and santa ana winds)which do you think could be most easily harnessed for the generation of electricity by a huge wind farm? some important things to consider:strength
  93. Physics

    A young hockey player stands at rest on the ice holding a 1.3-kg helmet. The player tosses the helmet with a speed of 4.6 m/s in a direction 13° above the horizontal, and recoils with a speed of 0.27 m/s. Find the mass of the hockey player.
  94. Physics

    What work is required to stretch a spring of spring constant 500N/m from x1=.2m to x2=.25m? Assume the unstreched position is at x=0. W=Fd so w=(500)(.25-.2) =500(.05) =25J is this correct? Calculate the work required to compress an initially uncompressed
  95. Physics

    A mass m1 = 5.0 kg rests on a frictionless table and connected by a massless string to another mass m2 = 5.9 kg. A force of magnitude F = 40.0 N pulls m1 to the left a distance d = 0.77 m. 1)How much work is done by the force F on the two block system?
  96. writing

    I need to know if my paragraph is properly punctuated. Dear Jordyn, I am thrilled you’re moving back to town, and looking for a job. My boss, Mrs. Cartucci, is seeking a personal assistant to help manage JR’s Fashions sales department. The skills
  97. PHI103 Informal Logic

    Assume Mary is forced to let her children go hungry or steal some food from a local grocery store. Which should she do? Construct an argument that supports Mary's decision to steal the food or an argument that shows why Mary should not steal the food.
  98. statistics

    A researcher has observed independent samples of females and males, recording how long each person took to complete his or her shopping at a local mall. The respective times, in minutes, are listed in file. Using the 0.025 level of significance in a
  99. statistics

    A researcher has observed independent samples of females and males, recording how long each person took to complete his or her shopping at a local mall. The respective times, in minutes, are listed in file. Using the 0.025 level of significance in a
  100. business statistics

    A researcher has observed independent samples of females and males, recording how long each person took to complete his or her shopping at a local mall. The respective times, in minutes, are listed in the following table,Using the 0.025 level of